package com.bank.setting.interceptor;

import com.alibaba.fastjson.JSON;
import com.bank.setting.standard.result.Result;
import com.bank.setting.standard.utils.JwtUtil;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import org.springframework.web.servlet.HandlerInterceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;


@Component
@Slf4j
public class JwtValidateInterceptor implements HandlerInterceptor {
    @Autowired
    private JwtUtil jwtUtil;

    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        String token=request.getHeader("Token");
        log.debug(request.getRequestURI()+"需要验证");
        try {
            jwtUtil.parseToken(token);
            log.debug(request.getRequestURI()+"验证通过");
            return true;
        } catch (Exception e) {
            e.printStackTrace();
        }
        log.debug(request.getRequestURI()+"验证失败,禁止访问");
        response.setContentType("application/json;charset=utf-8");
        Result<Object> fail=Result.fail("jwt无效，请重新登录");
        response.getWriter().write(JSON.toJSONString(fail));
        return false;//拦截
    }
}
